Start with the complete model
Pocket count and special zero rules matter more than the staking pattern.
The conclusion on this page belongs to Roulette Worked Examples; the name of the wider game family is not enough to reproduce it.
Worked example
A straight-up wager on a 37-pocket wheel has one winning pocket and 36 losing pockets at a 35:1 net payout.
For Roulette Worked Examples, show initial stake, later action and net payoff before turning the result into a percentage.
What changes the answer
When reviewing Roulette Worked Examples, change one material rule at a time. Stacked “rule adjustments” are too easy to double-count.
Keep optional wagers outside the Roulette Worked Examples base-game calculation unless the model deliberately combines them.
Practical review
Save the posted terms used for Roulette Worked Examples, including the date. Casino versions change and an unlabeled photograph is hard to audit later.
A streak claim attached to Roulette Worked Examples still needs a probability model. Recent outcomes alone do not supply one.
A round worth auditing
For Roulette Worked Examples, wheel type and special rules such as la partage or en prison determine the price; chip placement does not change the probability.
For Roulette Worked Examples, track stake, later action, returned stake and net result line by line. This catches most denominator and settlement mistakes.
Use Roulette Worked Examples to reconcile every chip from placement through settlement. If the accounting does not balance, the percentage built on it will not either.
What to record for Roulette
- Initial wager
- additional action
- net win or loss
If the Roulette Worked Examples chip flow cannot be reconstructed line by line, the example is not yet ready to teach from.
Casino Calculated methodology ↗. Use the currently posted casino rules whenever they differ.
Roulette Worked Examples is reviewed against the Roulette rules described above. A different pay table or procedure is a different model. Editorial review updated September 24, 2026.